题解 | #图像相似度#

#转换为一维数组直接进行比较，这样较为方便
m, n = map(int, input().split(" "))
data = []
data2 = []
num1 = []
num2 = []
#输入两个矩阵
for i in range(m):
    data.append(input())
    nl = list(map(int, data[i].split(" ")))
    for j in range(n):
        num1.append(nl[j])
for i in range(m):
    data2.append(input())
    nl = list(map(int, data2[i].split(" ")))
    for j in range(n):
        num2.append(nl[j])

same = 0
#计算有多少相同的数据
for i in range(len(num1)):
    if num1[i] == num2[i]:
        same = same + 1


print("%.2f"%(same/len(num1)*100))